Definition of edema
1
: an abnormal infiltration and excess accumulation of serous fluid in connective tissue or in a serous cavity
— called also dropsy
2a
: watery swelling of plant organs or parts
b
: any of various plant diseases characterized by such swellings
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Merriam-Webster unabridged
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Time Traveler for edema
The first known use of edema was in the 15th century
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